三相四线制系统无功谐波电流检测与补偿的研究

《三相四线制系统无功谐波电流检测与补偿的研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、济南大学硕士学位论文三相四线制系统无功谐波电流检测与补偿的研究姓名：张金斗申请学位级别：硕士专业：控制理论与控制工程指导教师：张勇;程新功20070508有所不同，比较并联型有源电力滤波器主电路的两种常见形式，从中选择了三相电压型变流器的主电路形式，给出了不同主电路结构APF的控制方法及其相应的直流侧电压控制方法，对有源电力滤波器的容量和开关器件进行了选择，计算出适合该装置的连接电感和直流侧电容容量的参数。在此基础上，给出了采用TMS320F2812和AT89S51双CPU控制系统并联型有源电力滤波器的硬

2、件电路设计和系统的软件设计。通过对并联型三相四线制有源电力滤波器的算法和参数设计进行仿真实验分析，结果证明了所提出方法的可行性。最后对全文的工作进行了系统的总结，指出了其中的不足，并就今后的研究工作内容作了展望。关键词：三相四线制；瞬时无功功率理论；有源电力滤波器；自适应预测；谐波电流检测Ⅱ济南大学硕上学位论丈Inrecentyears，withthedevelopmentofpowerelectronicstechnology,manykiⅡds“powerelectronicsdevicesagewi

3、delyused．Ononchand,theymadepowerenergytransformationandapplicationconveniently；ontheotherhand,theyleadtoseriousreactivepowerandharmoniccurrentpollutioninthepowersystem．Activepowerf'dterisanewpowerelectronicdevicewhichcaneffectivelycompensateharmonicandrea

4、ctivecurrentofpowernetwork,hhasmanyfavoriteworkcharacteristicsuchasreal-timeandaccuracy．Soactivepowerfilterhasbeenstudiedwidelyandissteppingintoindustrialization．Thisarticlefirstlynarratedthedevelopmentpresentsituationofharmonicsuppressionandthereactivepo

5、wercompensationtechnology,introducedmanykindsoftheexistingcurrentdetectedmethodsofreactiveandharmoniebasedonthefrequencydomainandtimedomain,theprincipleofthemethodsandtheiradvantagesanddisadvantages，theprincipleofactivepowerfilterandthesituationofitaccord

6、ingtodifferentstandardclassified，andSOon．Theperformanceofactivepowerfilterisaffectedbythereactiveandharmoniccurrentdetectionlinkandtheinstructioncurrenttrackingcontrollink．Thereactiveandharmoniccurrentdetectionmethodsbasedontheoryofinstantaneousreactivepo

7、werandinstructioncurrenttrackingcontrolinthethree-phasefour-wiresystemisresearchedasemphases．Inordertosolvethequestionofreactiveandharmoniccurrentreal-timeexamination，thesysteminstantaneousreactivepowertheoryandreactiveandharmoniccurrentdetectionmethodsis

8、firstlyresearchedinthethree-phasethree·wire．Inthisfoundation，howtoextendedthethree-phasecircuitinstantaneousreactivepowertheorytothethree-phasefour-wiresystemcarriedonthedetailedreSearCh,thedefinitionandrespectiveme